Mr. Obama throughout his career has tried to portray himself as being firmly in the latter camp, while critics have repeatedly tried to tie him to the "Chicago machine" environment that shaped his early political career.
The combination of advertising-supported content and machine learning creates the potential for the kind of highly targetable environment that marketers have been dreaming of.
Researchers at the University of Arizona's Controlled Environment Agriculture Center (CEAC), in collaboration with Sadler Machine Company (SMC), have come up with one solution: to house plants and astronauts in an inflatable habitat.
This kind of scrutiny hearing is intended to allow problems to be teased out of legislation and improvements to be suggested, in a relatively non-partisan environment, before it's fed into the parliamentary sausage machine.